Please help me solve these three questions... 1)In the real mode, show the start

Question

Please help me solve these three questions...

1)In the real mode, show the starting and ending addresses of each segment located by the following
segment register values:
a. 1000H

b. 1234H

c. 2300H


2) Given the following 20-bit address, show 3 combinations of segment:offset addresses that would
yield the same 20-bit address

25AB4h



3)Is the following command valid, if so name the type of addressing mode in the following examples:

a. MOV CX,BX
b. MOV BL,30H
c. MOV [1234H],BX
d. MOV [BX+SI],CH
e. MOV CS,BX
f. MOV BX,CS
g. MOV [BX],[SI]
h. MOV ES,DS

Explanation / Answer

d. MOV [BX+SI],CH b. 1234H g. MOV [BX],[SI]

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